Forum Discussion

Anonymous's avatar
Anonymous
Not applicable
7 years ago

Why does vsim occasionally crash with ERROR CODE 4 when using Quartus Prime Lite (no license required)? How can I solve this problem?

PROBLEM: vsim occasionally crashes with error code 4. TRANSCRIPT: FATAL ERROR: Unable to read lock file necessary for use of uncounted nodelocked license. Exiting. SOFTWARE VERSION: ModelS...
AndyN's avatar
AndyN
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

By any chance, is it failing when you re-run it after a successful run? I've had issues with some Modelsim sub-processes not getting properly terminating when running on Linux (which then gives weird behavior when you then re-run).

Andy